Adding AdditiveGroup and PrimeGroup (#159)

Co-authored-by: Michele Orrù <michele.orru@berkeley.edu>
Co-authored-by: Weikeng Chen <w.k@berkeley.edu>
Co-authored-by: Pratyush Mishra <pratyushmishra@berkeley.edu>

cp6_782/src/curves/g2.rs

@@ -3,7 +3,7 @@ use ark_ec::{
     short_weierstrass::{Affine, Projective, SWCurveConfig},
     AffineRepr, CurveGroup,
 };
-use ark_ff::{Field, MontFp};
+use ark_ff::{AdditiveGroup, MontFp};
 use ark_serialize::{CanonicalDeserialize, CanonicalSerialize};
 use ark_std::vec::Vec;
 

cp6_782/src/curves/mod.rs

@@ -3,7 +3,8 @@ use ark_ec::{
     pairing::{MillerLoopOutput, Pairing, PairingOutput},
 };
 use ark_ff::{
-    biginteger::BigInteger832, BigInt, BitIteratorBE, CyclotomicMultSubgroup, Field, One,
+    biginteger::BigInteger832, AdditiveGroup, BigInt, BitIteratorBE, CyclotomicMultSubgroup, Field,
+    One,
 };
 use itertools::Itertools;
 

cp6_782/src/fields/fq3.rs

@@ -1,6 +1,6 @@
 use ark_ff::{
     fields::fp3::{Fp3, Fp3Config},
-    Field, MontFp,
+    AdditiveGroup, Field, MontFp,
 };
 
 use crate::Fq;

cp6_782/src/fields/fq6.rs

@@ -1,6 +1,6 @@
 use ark_ff::{
     fields::fp6_2over3::{Fp6, Fp6Config},
-    Field, MontFp,
+    AdditiveGroup, Field, MontFp,
 };
 
 use crate::{Fq, Fq3, Fq3Config};